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diff --git a/gfx/2d/FilterProcessing.h b/gfx/2d/FilterProcessing.h
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+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef _MOZILLA_GFX_FILTERPROCESSING_H_
+#define _MOZILLA_GFX_FILTERPROCESSING_H_
+
+#include "2D.h"
+#include "Filters.h"
+
+namespace mozilla {
+namespace gfx {
+
+const ptrdiff_t B8G8R8A8_COMPONENT_BYTEOFFSET_B = 0;
+const ptrdiff_t B8G8R8A8_COMPONENT_BYTEOFFSET_G = 1;
+const ptrdiff_t B8G8R8A8_COMPONENT_BYTEOFFSET_R = 2;
+const ptrdiff_t B8G8R8A8_COMPONENT_BYTEOFFSET_A = 3;
+
+class FilterProcessing {
+ public:
+ // Fast approximate division by 255. It has the property that
+ // for all 0 <= v <= 255*255, FastDivideBy255(v) == v/255.
+ // But it only uses two adds and two shifts instead of an
+ // integer division (which is expensive on many processors).
+ template <class B, class A>
+ static B FastDivideBy255(A v) {
+ return ((v << 8) + v + 255) >> 16;
+ }
+
+ static already_AddRefed<DataSourceSurface> ExtractAlpha(
+ DataSourceSurface* aSource);
+ static already_AddRefed<DataSourceSurface> ConvertToB8G8R8A8(
+ SourceSurface* aSurface);
+ static already_AddRefed<DataSourceSurface> ApplyBlending(
+ DataSourceSurface* aInput1, DataSourceSurface* aInput2,
+ BlendMode aBlendMode);
+ static void ApplyMorphologyHorizontal(uint8_t* aSourceData,
+ int32_t aSourceStride,
+ uint8_t* aDestData, int32_t aDestStride,
+ const IntRect& aDestRect,
+ int32_t aRadius,
+ MorphologyOperator aOperator);
+ static void ApplyMorphologyVertical(uint8_t* aSourceData,
+ int32_t aSourceStride, uint8_t* aDestData,
+ int32_t aDestStride,
+ const IntRect& aDestRect, int32_t aRadius,
+ MorphologyOperator aOperator);
+ static already_AddRefed<DataSourceSurface> ApplyColorMatrix(
+ DataSourceSurface* aInput, const Matrix5x4& aMatrix);
+ static void ApplyComposition(DataSourceSurface* aSource,
+ DataSourceSurface* aDest,
+ CompositeOperator aOperator);
+ static void SeparateColorChannels(DataSourceSurface* aSource,
+ RefPtr<DataSourceSurface>& aChannel0,
+ RefPtr<DataSourceSurface>& aChannel1,
+ RefPtr<DataSourceSurface>& aChannel2,
+ RefPtr<DataSourceSurface>& aChannel3);
+ static already_AddRefed<DataSourceSurface> CombineColorChannels(
+ DataSourceSurface* aChannel0, DataSourceSurface* aChannel1,
+ DataSourceSurface* aChannel2, DataSourceSurface* aChannel3);
+ static void DoPremultiplicationCalculation(const IntSize& aSize,
+ uint8_t* aTargetData,
+ int32_t aTargetStride,
+ uint8_t* aSourceData,
+ int32_t aSourceStride);
+ static void DoUnpremultiplicationCalculation(const IntSize& aSize,
+ uint8_t* aTargetData,
+ int32_t aTargetStride,
+ uint8_t* aSourceData,
+ int32_t aSourceStride);
+ static void DoOpacityCalculation(const IntSize& aSize, uint8_t* aTargetData,
+ int32_t aTargetStride, uint8_t* aSourceData,
+ int32_t aSourceStride, Float aValue);
+ static void DoOpacityCalculationA8(const IntSize& aSize, uint8_t* aTargetData,
+ int32_t aTargetStride,
+ uint8_t* aSourceData,
+ int32_t aSourceStride, Float aValue);
+ static already_AddRefed<DataSourceSurface> RenderTurbulence(
+ const IntSize& aSize, const Point& aOffset, const Size& aBaseFrequency,
+ int32_t aSeed, int aNumOctaves, TurbulenceType aType, bool aStitch,
+ const Rect& aTileRect);
+ static already_AddRefed<DataSourceSurface> ApplyArithmeticCombine(
+ DataSourceSurface* aInput1, DataSourceSurface* aInput2, Float aK1,
+ Float aK2, Float aK3, Float aK4);
+
+ protected:
+ static void ExtractAlpha_Scalar(const IntSize& size, uint8_t* sourceData,
+ int32_t sourceStride, uint8_t* alphaData,
+ int32_t alphaStride);
+ static already_AddRefed<DataSourceSurface> ConvertToB8G8R8A8_Scalar(
+ SourceSurface* aSurface);
+ static void ApplyMorphologyHorizontal_Scalar(
+ uint8_t* aSourceData, int32_t aSourceStride, uint8_t* aDestData,
+ int32_t aDestStride, const IntRect& aDestRect, int32_t aRadius,
+ MorphologyOperator aOperator);
+ static void ApplyMorphologyVertical_Scalar(
+ uint8_t* aSourceData, int32_t aSourceStride, uint8_t* aDestData,
+ int32_t aDestStride, const IntRect& aDestRect, int32_t aRadius,
+ MorphologyOperator aOperator);
+ static already_AddRefed<DataSourceSurface> ApplyColorMatrix_Scalar(
+ DataSourceSurface* aInput, const Matrix5x4& aMatrix);
+ static void ApplyComposition_Scalar(DataSourceSurface* aSource,
+ DataSourceSurface* aDest,
+ CompositeOperator aOperator);
+
+ static void SeparateColorChannels_Scalar(
+ const IntSize& size, uint8_t* sourceData, int32_t sourceStride,
+ uint8_t* channel0Data, uint8_t* channel1Data, uint8_t* channel2Data,
+ uint8_t* channel3Data, int32_t channelStride);
+ static void CombineColorChannels_Scalar(
+ const IntSize& size, int32_t resultStride, uint8_t* resultData,
+ int32_t channelStride, uint8_t* channel0Data, uint8_t* channel1Data,
+ uint8_t* channel2Data, uint8_t* channel3Data);
+ static void DoPremultiplicationCalculation_Scalar(const IntSize& aSize,
+ uint8_t* aTargetData,
+ int32_t aTargetStride,
+ uint8_t* aSourceData,
+ int32_t aSourceStride);
+ static void DoUnpremultiplicationCalculation_Scalar(const IntSize& aSize,
+ uint8_t* aTargetData,
+ int32_t aTargetStride,
+ uint8_t* aSourceData,
+ int32_t aSourceStride);
+ static void DoOpacityCalculation_Scalar(const IntSize& aSize,
+ uint8_t* aTargetData,
+ int32_t aTargetStride,
+ uint8_t* aSourceData,
+ int32_t aSourceStride, Float aValue);
+ static void DoOpacityCalculationA8_Scalar(
+ const IntSize& aSize, uint8_t* aTargetData, int32_t aTargetStride,
+ uint8_t* aSourceData, int32_t aSourceStride, Float aValue);
+ static already_AddRefed<DataSourceSurface> RenderTurbulence_Scalar(
+ const IntSize& aSize, const Point& aOffset, const Size& aBaseFrequency,
+ int32_t aSeed, int aNumOctaves, TurbulenceType aType, bool aStitch,
+ const Rect& aTileRect);
+ static already_AddRefed<DataSourceSurface> ApplyArithmeticCombine_Scalar(
+ DataSourceSurface* aInput1, DataSourceSurface* aInput2, Float aK1,
+ Float aK2, Float aK3, Float aK4);
+
+#ifdef USE_SSE2
+ static void ExtractAlpha_SSE2(const IntSize& size, uint8_t* sourceData,
+ int32_t sourceStride, uint8_t* alphaData,
+ int32_t alphaStride);
+ static already_AddRefed<DataSourceSurface> ConvertToB8G8R8A8_SSE2(
+ SourceSurface* aSurface);
+ static already_AddRefed<DataSourceSurface> ApplyBlending_SSE2(
+ DataSourceSurface* aInput1, DataSourceSurface* aInput2,
+ BlendMode aBlendMode);
+ static void ApplyMorphologyHorizontal_SSE2(
+ uint8_t* aSourceData, int32_t aSourceStride, uint8_t* aDestData,
+ int32_t aDestStride, const IntRect& aDestRect, int32_t aRadius,
+ MorphologyOperator aOperator);
+ static void ApplyMorphologyVertical_SSE2(
+ uint8_t* aSourceData, int32_t aSourceStride, uint8_t* aDestData,
+ int32_t aDestStride, const IntRect& aDestRect, int32_t aRadius,
+ MorphologyOperator aOperator);
+ static already_AddRefed<DataSourceSurface> ApplyColorMatrix_SSE2(
+ DataSourceSurface* aInput, const Matrix5x4& aMatrix);
+ static void ApplyComposition_SSE2(DataSourceSurface* aSource,
+ DataSourceSurface* aDest,
+ CompositeOperator aOperator);
+ static void SeparateColorChannels_SSE2(
+ const IntSize& size, uint8_t* sourceData, int32_t sourceStride,
+ uint8_t* channel0Data, uint8_t* channel1Data, uint8_t* channel2Data,
+ uint8_t* channel3Data, int32_t channelStride);
+ static void CombineColorChannels_SSE2(
+ const IntSize& size, int32_t resultStride, uint8_t* resultData,
+ int32_t channelStride, uint8_t* channel0Data, uint8_t* channel1Data,
+ uint8_t* channel2Data, uint8_t* channel3Data);
+ static void DoPremultiplicationCalculation_SSE2(const IntSize& aSize,
+ uint8_t* aTargetData,
+ int32_t aTargetStride,
+ uint8_t* aSourceData,
+ int32_t aSourceStride);
+ static void DoUnpremultiplicationCalculation_SSE2(const IntSize& aSize,
+ uint8_t* aTargetData,
+ int32_t aTargetStride,
+ uint8_t* aSourceData,
+ int32_t aSourceStride);
+ static void DoOpacityCalculation_SSE2(const IntSize& aSize,
+ uint8_t* aTargetData,
+ int32_t aTargetStride,
+ uint8_t* aSourceData,
+ int32_t aSourceStride, Float aValue);
+ static already_AddRefed<DataSourceSurface> RenderTurbulence_SSE2(
+ const IntSize& aSize, const Point& aOffset, const Size& aBaseFrequency,
+ int32_t aSeed, int aNumOctaves, TurbulenceType aType, bool aStitch,
+ const Rect& aTileRect);
+ static already_AddRefed<DataSourceSurface> ApplyArithmeticCombine_SSE2(
+ DataSourceSurface* aInput1, DataSourceSurface* aInput2, Float aK1,
+ Float aK2, Float aK3, Float aK4);
+#endif
+};
+
+// Constant-time max and min functions for unsigned arguments
+static inline unsigned umax(unsigned a, unsigned b) {
+ return a - ((a - b) & -(a < b));
+}
+
+static inline unsigned umin(unsigned a, unsigned b) {
+ return a - ((a - b) & -(a > b));
+}
+
+} // namespace gfx
+} // namespace mozilla
+
+#endif // _MOZILLA_GFX_FILTERPROCESSING_H_
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-31 14:26:13 +0000